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There are 11 extant orders of Arachnids, which can be seen here, and 5 extinct orders,which are outlined in the table below.
| Order |  |
| Achritarbida | |
| Phalangiotarbida | |
| Trigonotarbida | |
| Haptopoda | |
| Kustarachnida |
For a synopsis of the Arachnida at family and genus level, click here
Author: Ceri-Wyn Thomas
Last updated: 22.11.05
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